I’ve always thought that a big laugh is a really loud noise from the soul saying “Ain’t that the truth

Laugh often, long and loud. Laugh until you gasp for breath.

The roar of laughter at civilization’s end.

The huge laugh is a most extreme expression of freedom.

Directly after copulation, the devil's laughter is heard.

This was the happiest laughter that was ever heard on the hill.

In my mind, there is nothing so illiberal and so ill-bred, as audible laughter.

"The sound of laughter is like the vaulted dome of a temple of happiness, "that delectable trance of happiness, that ultimate peak of delight. Laughter of delight, delight of laughter." There is no doubt: this laughter goes "far beyond joking, jeering, and ridicule." The two sisters stretched out on their bed are not laughing at anything concrete, their laughter has no object; it is an expression of being rejoicing at being... and in this ecstatic laughter he loses all memory, all desire, cries out to the immediate present of the world, and needs no other knowledge."

Laughter, n. An interior convulsion, producing a distortion of the features and accompanied by inarticulate noises. It is infectious and, though intermittent, incurable.

he commences to laugh. Nobody can tell exactly why he laughs; there’s nothing funny going on. But it’s not the way that Public Relation laughs, it’s free and loud and it comes out of his wide grinning mouth and spreads in rings bigger and bigger till it’s lapping against the walls all over the ward. Not like that fat Public Relation laugh. This sounds real. I realize all of a sudden it’s the first laugh I’ve heard in years. He stands looking at us, rocking back in his boots, and he laughs and laughs. He laces his fingers

Ford Prefect suppressed a little giggle of evil satisfaction, realized that he had no reason to suppress it, and laughed out loud, a wicked laugh.

To die laughing must be the most glorious of all glorious deaths!

Did you know that a laugh is something that comes out of a hole in your face? Anywhere else and you're in dead trouble!

Laughter is a protest scream against death, against the long goodbye. It’s a defense against unhappiness and depression.